general/locomotive-valve-gear
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Bulleid chain-driven valve gear
Steam locomotive component
Stephenson valve gear
Simple design of valve gear
Walschaerts valve gear
Type of valve gear
Joy valve gear
Valve gear for steam engines
Piston valve (steam engine)
Form of valve within a steam engine or locomotive
Gresley conjugated valve gear
Type of mechanism for controlling steam flow in a reciprocating steam engine